Cutting insert



FIG. 1 is a perspective view of a cutting insert showing a form of our new design;

FIG. 2 is a top plan view of the cutting insert of FIG. 1;

FIG. 3 is a side view of the cutting insert of FIG. 1; and,

FIG. 4 is a view of one of the ends of the cutting insert of FIG. 1.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a cutting insert, as shown. 